1. vast areas or territories that appear to have no boundaries or limits; expansive geographical zones
The explorers ventured into the endless regions of the Amazon rainforest.
Os exploradores se aventuraram nas regiões intermináveis da floresta amazônica.
2. metaphorically, spaces or domains that seem infinite or boundless in scope
The internet opens up endless regions of knowledge and information.
A internet abre regiões intermináveis de conhecimento e informação.